发布时间:2025-01-24 03:06:39
混凝土坍落度标准规范如下:1.当混凝土强度等级小于C50时,坍落度应小于180mm;当强度等级大于C50时,坍落度应大于180mm。2.当规定的混凝土坍落度小于40mm时,允许偏差小于10mm;当规定的混凝土坍落度为50-90毫米时,允许偏差小于20毫米;当规定的混凝土坍落度大于100mm时,允许偏差小于30mm。3.混凝土坍落度试验取样频率应与混凝土强度试验取样频率一致。此外,根据混凝土质量控制标准GB50164-92,不同类型的混凝土坍落度要求也有所不同,例如低塑性混凝土坍落度为10-40mm,塑性混凝土坍落度为50-90mm,流动性混凝土坍落度为100-150mm,大流动性混凝土坍落度大于160mm。
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